package demo;

public class Test {
    private int a;
    
    interface IA{

    }
    IA iA = new IA(){

    };







    class In{
        private int a;
        public void fun3(){
            a = 1;
            Test.this.a = 2;
        }
    }

    public static void main(String[] args) {

        Test test = new Test();
        In in = test.new In();
    }





    static class Inner{
        private int x;
    }
    public void fun(){
        Test.Inner inner = new Inner();
        inner.x = 1;
    }





}
